# std::istreambuf_iterator<CharT,Traits>::operator++, operator++(int)

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< cpp‎ | iterator‎ | istreambuf iterator

istreambuf_iterator& operator++(); | (1) |
/* proxy */ operator++( int ); | (2) |

Advances the iterator by calling sbuf_->sbumpc() where `sbuf_` is the stored pointer to the stream buffer.

The behavior is undefined if the iterator is end-of-stream iterator.

### Parameters

(none)

### Return value

1) *this
2) A `proxy` object holding the current character obtained via operator*() and the `sbuf_` pointer. Dereferencing a `proxy` object with `operator*` yields the stored character.
The name `proxy` is for exposition only.

### Exceptions

May throw implementation-defined exceptions.

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